January weather forecast
Marlborough, NH

Share

Weather in January

January, the same as December, in Marlborough, New Hampshire, is a freezing cold winter month, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 27.9°F (-2.3°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 27.9°F (-2.3°C) and a low of 15.1°F (-9.4°C).

Humidity

The average relative humidity in January is 84%.

Rainfall

In Marlborough, in January, during 6.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 125.1 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 2.64" (67mm) of snow.

Daylight

In January, the average length of the day is 9h and 27min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:04 am and sunset at 4:59 pm EST.

Sunshine

In January, the average sunshine is 4.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Marlborough. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What time of the year is the coldest?

January proves to be the coldest month in Marlborough, recording an average maximum temperature of 27.9°F (-2.3°C) and a minimum temperature of 15.1°F (-9.4°C).

How cold is January?

In Marlborough, in January, the average high-temperature is 27.9°F (-2.3°C), and the average low-temperature is 15.1°F (-9.4°C).

What is the average humidity in January?

In January, the average relative humidity is 84%.

How much does it rain in January?

In Marlborough, in January, it is raining for 6.3 days, with typically 0.83" (21mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 2.64" (67mm) of snow.

How much does it snow in January?

In January, in Marlborough, it is snowing for 9.2 days. Throughout January, 2.64" (67mm) of snow is accumulated.

How many hours of daylight does Marlborough have in January?

The average day length in January is 9h and 27min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:59 pm EST.

How many hours of sunshine does Marlborough have in January?

In January, the average sunshine duration is 4.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in January?

In Marlborough, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Marlborough, NH

Average temperature in January - Marlborough, NH
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in January
Marlborough, NH

Average pressure in January - Marlborough, NH
  • Average pressure in January: 30.02"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Marlborough, NH

Average wind speed in January - Marlborough, NH
  • Average wind speed in January: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Marlborough, NH

Average humidity in January - Marlborough, NH
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in January
Marlborough, NH

Average rainfall in January - Marlborough, NH
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

Average rainfall days in January
Marlborough, NH

Average rainfall days in January - Marlborough, NH
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in January
Marlborough, NH

Average snowfall in January - Marlborough, NH
  • Average snowfall in January: 2.64"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Marlborough, NH

Average snowfall days in January - Marlborough, NH
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Marlborough, NH

Average daylight in January / Average sunshine in January - Marlborough, NH
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in January
Marlborough, NH

Average sunshine days in January - Marlborough, NH
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in January
Marlborough, NH

Average UV index in January - Marlborough, NH
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in January
Marlborough, NH

Average cloud cover in January - Marlborough, NH
  • Average cloud cover in January: 47

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in January
Marlborough, NH

Average visibility in January - Marlborough, NH
  • Average visibility in January: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Marlborough, New Hampshire, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location